128652040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1451

約数の個数: 96

約数和(自身を含む): 335160000

約数和(自身を除く): 206507960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 380, 418, 440, 484, 605, 760, 836, 968, 1045, 1210, 1399, 1672, 2090, 2299, 2420, 2798, 4180, 4598, 4840, 5596, 6995, 8360, 9196, 11192, 11495, 13990, 15389, 18392, 22990, 26581, 27980, 30778, 45980, 53162, 55960, 61556, 76945, 91960, 106324, 123112, 132905, 153890, 169279, 212648, 265810, 292391, 307780, 338558, 531620, 584782, 615560, 677116, 846395, 1063240, 1169564, 1354232, 1461955, 1692790, 2339128, 2923910, 3216301, 3385580, 5847820, 6432602, 6771160, 11695640, 12865204, 16081505, 25730408, 32163010, 64326020, 128652040]

約数ペア:

[(1, 128652040), (2, 64326020), (4, 32163010), (5, 25730408), (8, 16081505), (10, 12865204), (11, 11695640), (19, 6771160), (20, 6432602), (22, 5847820), (38, 3385580), (40, 3216301), (44, 2923910), (55, 2339128), (76, 1692790), (88, 1461955), (95, 1354232), (110, 1169564), (121, 1063240), (152, 846395), (190, 677116), (209, 615560), (220, 584782), (242, 531620), (380, 338558), (418, 307780), (440, 292391), (484, 265810), (605, 212648), (760, 169279), (836, 153890), (968, 132905), (1045, 123112), (1210, 106324), (1399, 91960), (1672, 76945), (2090, 61556), (2299, 55960), (2420, 53162), (2798, 45980), (4180, 30778), (4598, 27980), (4840, 26581), (5596, 22990), (6995, 18392), (8360, 15389), (9196, 13990), (11192, 11495)]